Question

For the adsorption of CF3CHFCl on Pd, the following data were obtained at 313 K ? | P (Pa) 0.757 | 1.00 x 10^-1 0.237 | 1.00 x 10^-2 0.030 | 1.00 x 10^-3 (a) Are these data more consistent with associative or dissociative adsorption? (b) If Vm = 89 cm^3 g^-1, calculate the value of Vads at 0.272 Pa. Show all your working.

          For the adsorption of CF3CHFCl on Pd, the following data were obtained at 313 K

? | P (Pa)
0.757 | 1.00 x 10^-1
0.237 | 1.00 x 10^-2
0.030 | 1.00 x 10^-3

(a) Are these data more consistent with associative or dissociative adsorption?
(b) If Vm = 89 cm^3 g^-1, calculate the value of Vads at 0.272 Pa. Show all your working.

For the adsorption of CF3CHFCl on Pd, the following data were obtained at 313 K

? | P (Pa)
0.757 | 1.00 x 10^-1
0.237 | 1.00 x 10^-2
0.030 | 1.00 x 10^-3

(a) Are these data more consistent with associative or dissociative adsorption?
(b) If Vm = 89 cm^3 g^-1, calculate the value of Vads at 0.272 Pa. Show all your working.

Added by Andrew B.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Madhur L

06/08/2023

Step 1

First, we need to determine whether the adsorption is associative or dissociative. To do this, we can use the Langmuir isotherm equation for associative adsorption: $$\frac{P}{V} = \frac{1}{V_m} + \frac{b}{V_m}P$$ where $P$ is the pressure, $V$ is the volume of Show more…

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For the adsorption of CF3CHFCl on Pd, the following data were obtained at 313 K θ | P (Pa) 0.757 | 1.00 x 10^-1 0.237 | 1.00 x 10^-2 0.030 | 1.00 x 10^-3 (a) Are these data more consistent with associative or dissociative adsorption? (b) If Vm = 89 cm^3 g^-1, calculate the value of Vads at 0.272 Pa. Show all your working.